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Cabletron Systems manual Connecting UTP Cables, ELS100-16TX Twisted Pair Connection

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Unpacking and Installing Your ELS100-16TX

2.6.1 Connecting UTP Cables

Before connecting a segment to the ELS100-16TX, check each end of the segment to verify wire crossover.

Caution: To establish a link, you must have an odd number of crossovers (preferably one) between 10/100 BASE-T devices of the same type (i.e., from repeater to repeater or transceiver to transceiver).

Connect a twisted pair segment to the ELS100-16TX as follows:

1.Ensure that the device at the other end of the segment is connected to the segment and is powered ON.

2.Refer to Figure 2-5. Connect the twisted pair segment to the ELS100-16TX by inserting the RJ45 connector on the twisted pair segment into the desired RJ45 port.

.

PORT STATUS MODE
STATUS	TX ACT FDX MON
PWR
CPU	RX COL	100 USR
RESET	RX COL
COM
ELS100-16TX

EPIM100

7X

9X

11X

13X

15X

3X

5X

1X

1

3

5

7

9

11 13

15

LINK

STATUS

EPIM100

LINK

10X

12X

14X

16X

6X

8x

STATUS

16

2X

4X

2

4

6

8

10 12 14

Figure 2-5. ELS100-16TX Twisted Pair Connection

3.Verify that a Link exists by checking that the port LINK LED is on (solid green). If the LINK LED is off, perform the following steps until it is on:

a.Check that the 10/100 BASE-T device at the other end of the twisted pair segment is ON and connected to the segment.

2-10

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Cabletron Systems manual Connecting UTP Cables, ELS100-16TX Twisted Pair Connection

Contents

User Guide Page FCC Notice DOC Notice Cabletron Software Program License Declaration of Conformity Contents ELS100-16TX Diagnostics Troubleshooting Monitoring and Managing Your ELS100-16TX Appendix a Technical Specifications Appendix B Glossary Contents Viii Chapter Introduction About this Manual Getting Help Your email address Document Conventions Related Documentation Overview ELS100-16TX Front Panel SmartSTACK 100 ELS100-16TX Architecture Introduction Port Trunking Autonegotiation Store and Forward Switching Discarding Local Trafﬁc Typical Switching Application Spanning Tree Algorithm SmartSTACK 100 ELS100-16TX Bridge Address Table SmartSTACK 100 ELS100-16TX Port Mirroring SmartSTACK 100 ELS100-16TX Sample Applications SmartSTACK 100 ELS100-16TX Trunking Virtual Workgroups SmartSTACK 100 ELS100-16TX Trunking with 100 Mbps Ports Repeater Traffic Workgroup a Workgroup B Local Console Manager Command Syntax Conventions Basic LCM Commands Help ELS100-16TX Local Console Manager Erase Exit or LogoutTraplog Introduction Chapter Unpacking and Installing Your ELS100-16TX ELS100-16TX Front Panel Port LEDs 100BASE-T Epim Ports Reset Switch Status LEDs ACT Installing AN Epim Describes the ELS100-16TX buttons Installing an Epim Installing the ELS100-16TX Rack-Mounting an ELS100-16TX Attaching Rackmount Brackets Checking the POWER-UP Diagnostics Sequence Connecting the Local Console Manager Connecting to the Network Connecting UTP Cables ELS100-16TX Twisted Pair Connection Connecting a Segment to the EPIM-100FX Cable Pinouts RJ45 Crossover Cable Fiber Optic Network Connection EPIM-100FX Port Unpacking and Installing Your ELS100-16TX Chapter Configuring Your ELS100-16TX Spectrum Spel Spma Assigning IP Addresses Type ipaddr PORT-NUMBER IP Address Displaying IP Addresses Deleting an IP AddressChanging a Subnet Mask Enabling Bridging To change the subnet mask, at the LCM prompt Disabling Bridging Displaying Bridging Functions Enabling Trunking Trunk Groups 100BASE-T Crossover Cables Trunk Groups Disabling Trunking Displaying Trunking Status Display could look like the following Enabled, Rip listening Enabling Port Mirroring Disabling Mirroring Displaying Mirroring Status To check the status for ports conﬁgured for mirroring Defining and Deleting Workgroups Deﬁning Virtual Workgroups LCM responds with the following display Assigning a Community Name Configuring BROADCAST/MULTICAST Storm Protection Modifying MIB Variables System Contact System Name System LocationCommunity Names Set Community Name Aging Parameter Chapter Monitoring and Managing Your ELS100-16TX ELS100-16TX Management ToolsELS100-16TX Statistics Gathering Statistics System Statistics Ethernet Port Statistics Using LCM to Check ELS100-16TX Status Displaying Status Enabled, Rip listening Displaying MAC Addresses To display all MAC addresses, at the LCM prompt Displaying Manufacturing Information LCM would display Using LCM to Manage the ELS100-16TX Managing the ELS100-16TX Disabling a Port Enabling a Port NoRIP Option Changing a Community Name Setting the Baud Rate Setting a Reboot Time Chapter ELS100-16TX Diagnostics and Troubleshooting POWER-UP DiagnosticsPower-up LED Sequence Speciﬁc Power-up Tests Software Checksum Comparison Power-up Diagnostics Results Responses to Failures AT POWER-UPStatus and Activity Indicators ELS100-16TX Front Panel LEDs ACT ELS100-16TX does not Power UP Connectivity Problems 2 ELS100-16TX Has Rebooted3 ELS100-16TX Does Not Respond to NMS ELS100-16TX Diagnostics and Troubleshooting Electrical Connector PortsPhysical Environmental Diagnostic LEDs Standard Support Regulatory Compliance Address Table SizeManagement Support Serial Cable PIN Assignments Connectors 100BASE-T PIN Assignments STRAIGHT-THROUGH Wiring Crossover Wiring EPIM-100FX Specifications 5 4 3 Rule Cable Type Worst Case Budget Typical Budget Technical Speciﬁcations Address table AlarmAddress Agent Bpdu bridge protocol data unit BackboneBandwidth Bps bits per second Datagram CongestionData link layer Data rate or speed Encode Full wire speedEncapsulation Entity Ieee Intelligent bridge/switchIcmp Internet control message protocol Initialization IP Internet protocol InternetworkingInteroperability ISO International Standards Organization Mbps megabits per second MAC media access controlMask MIB management information base OSI Open Systems Interconnection Power budgetPropagation delay Packet Protocol Rarp reverse address resolution protocolService Protocol suite Synchronous transmission SwitchSymbol Translating bridge Upstream WAN wide area network Glossary